Putnam District is a village and census-designated place (CDP) in Windham County, Connecticut, United States. The CDP was formed when the former city of Putnam disincorporated. The population was 7,214 at the 2010 census.
According to the United States Census Bureau, the CDP has a total area of 3.2 square miles (8.3 km2). 3.2 square miles (8.3 km2) of it is land and 0.04 square miles (0.10 km2) of it (1.24%) is water.
As of the census of 2010, there were 7,214 people, 3,033 households and 1,751 families in the CDP. The population density was 2,239 inhabitants per square mile (869/km²). There were 3,325 housing units at an average density of 1,039 per square mile (401/km²). The racial makeup of the CDP was 93.4% White, 1.5% African American, 0.6% Native American, 1.0% Asian, 0.0% Pacific Islander, 2.7% from other races, and 2.7% from two or more races. Hispanic or Latino of any race were 3.6% of the population.
There were 3,033 households out of which 26.8% had children under the age of 18 living with them, 36.2% were married couples living together, 15.2% had a female householder with no husband present, and 42.3% were non-families. 33.3% of all households were made up of individuals living alone and 13.5% had someone living alone who was 65 years of age or older. The average household size was 2.3 and the average family size was 2.9.